CCNA 第一学期期末答案【二】

networkadministratorisconfiguringseveralswitchesforanetwork.Theswitcheshavesimilarconfigurationsandonlyminordifferences.Theadministratorwantstosaveallcommandsthatareissuedonthefirstswitchtoatextfileforediting.WhichtransferoptionshouldbeselectedinHyperTerminal?2Aroutingissuehasoccurredinyourinternetwork.Whichofthefollowingtypeofdevicesshouldbeexaminedtoisolatethiserror?accesspointhosthubrouterswitch3Refertotheexhibit.Whileconfiguringanetwork,atechnicianwiredeachendofaCategory5ecableasshown.Whichtwostatementsaretrueaboutthissetup?(Choosetwo.)ThecableissuitableforconnectingaswitchtoarouterEthernetport.Thecableissuitableforconnectingdissimilartypesofdevices.Thecableisunusableandmustberewired.Thecableisterminatedinawaythatthetransmitpiniswiredtothereceivepin.Thecablesimulatesapoint-to-pointWANlink.4WhichthreeIPv4addressesrepresentsubnetbroadcastaddresses?(Choosethree.)192.168.4.63/26192.168.4.129/26192.168.4.191/26192.168.4.51/27192.168.4.95/27192.168.4.221/275Whichserviceisusedwhenthenslookupcommandisissuedonacomputer?FTPDNSDHCPTelnet6Refertotheexhibit.HostAisconfiguredwiththecorrectIPaddressforthedefaultgatewayoftherouterR1FastEthernet0/1interface.HowwillapacketthatissentfromhostAtohostBbehandledbythedevicesonthenetwork?R1willdropthepacketbecauseR1doesnothaveaspecificrouteinitsroutingtabletothe10.1.1.0/24network.R1willforwardthepackettoitsdefaultgateway,thenexthoprouterR2.R2willforwardthepackettothedirectlyconnectednetwork10.1.1.0/24.R1willforwardthepackettoitsdefaultgateway,thenexthoprouterR2.R2willdropthepacketbecauseitdoesnothaveadefaultroutetonetwork10.1.1.0/24.R1willforwardthepackettoitsdefaultgateway,thenexthoprouterR2.R2willdropthepacketbecauseitdoesnothavearoutethatislearnedbyaroutingprotocoltonetwork10.1.1.0/24.7Whichpromptrepresentstheappropriatemodeusedforthecopyrunning-configstartup-configcommand?Switch-6JSwitch-6J#Switch-6J(config)#Switch-6J(config-if)#Switch-6J(config-line)#8Refertotheexhibit.AtechnicianisworkingonanetworkproblemthatrequiresverificationoftherouterLANinterface.Whataddressshouldbepingedfromthishosttoconfirmthattherouterinterfaceisoperational?127.0.0.1192.168.64.196192.168.254.1192.168.254.9192.168.254.2549WhatistheeffectofusingtheRouter#copyrunning-configstartup-configcommandonarouter?ThecontentsofROMwillchange.ThecontentsofRAMwillchange.ThecontentsofNVRAMwillchange.Thecontentsofflashwillchange.10Refertotheexhibit.Anetworktechniciancreatesequal-sizedsubnetsofnetwork192.168.2.0/24usingthesubnetmask255.255.255.224.Ifthetechnicianwishestocalculatethenumberofhostaddressesineachsubnetbyusingtheformulathatisshownintheexhibit,whatvaluewillbeusedforn?12345TakeAssessment-ENetworkFinalExam-CCNAExploration:NetworkFundamentals(Version4.0)TimeRemaining:11WhatarethedefaultterminalemulationsoftwaresettingswhenconfiguringaCiscodevicethroughaconsoleport?Bitspersecond:19200Databits:7Parity:NoneStopbits:0Flowcontrol:NoneBitspersecond:9600Databits:8Parity:NoneStopbits:1Flowcontrol:NoneBitspersecond:19200Databits:7Parity:NoneStopbits:0Flowcontrol:HardwareBitspersecond:9600Databits:8Parity:NoneStopbits:1Flowcontrol:Hardware12Whichoptionrepresentsapoint-to-pointlogicaltopologydiagram?13Well-knownservicesandapplicationsusewhichrangeofTCP/UDPportnumbers?0to2550to10231024to4915149152to6553514Refertotheexhibit.APCiscommunicatingwithanotherPConaremotenetwork.Thetwonetworksareconnectedbythreerouters.Whichactionwillhelptoidentifythepathbetweenthehosts?Usetheipconfigcommandatthehost.Usetheipconfig/allcommandatthedestination.Usethetracertcommandatthehost.Usethepingcommandatthedestination.15Refertotheexhibit.AnetworkadministratortriestotesttheconnectivitybetweenroutersR1andR2,buttheattempttopingisunsuccessful.Basedontheshowipinterfacebriefcommandoutputs,whatcouldbethepossiblecauseoftheproblem?InterfaceS0/0/0onrouterR1isshutdown.InterfaceS0/0/0onrouterR1isconfiguredwithanincorrectIPaddress.InterfaceS0/0/0onrouterR2isadministrativelydown.InterfaceS0/0/0onrouterR2doesnothavetheclockratesettingsconfigured.16Whichthreestatementsaretrueaboutnetworklayeraddressing?(Choosethree.)Theaddressesare48bitslong.NetworklayeraddressingisusedbyEthernetswitchestomakeforwardingdecisions.Itusesahierarchicalstructure.Itdoesnotsupportbroadcasts.Ituniquelyidentifieseachhost.Aportionoftheaddressisusedtoidentifythenetwork.17WhichofthefollowingaretheaddressrangesoftheprivateIPaddresses?(Choosethree.)10.0.0.0to10.255.255.255200.100.50.0to200.100.25.255150.150.0.0to150.150.255.255172.16.0.0to172.31.255.255192.168.0.0to192.168.255.255127.16.0.0to127.31.255.25518Whichapplicationlayerprotocolallowsadministratorstologintoaserverfromremotelocationsandcontrolaserverasthoughloggedinlocally?DNSFTPDHCPSMTPTelnet19Refertotheexhibit.InterfaceFa0/0onrouterAisgeneratingexcessivebroadcasttraffic.WhichLANsegmentswillaffectedbytheexcessivebroadcasts?Onlythe192.168.1.200/30networkwillbeaffected.Onlythelinkbetween192.168.1.201andportFa0/5onSW1willbeaffected.Boththe192.168.1.200/30and192.168.1.204/30networkswillbeaffected.Onlythelinksbetween192.168.1.201andpor